摘要:
The present invention relates to a method for measuring glycated hemoglobin. The method of the present invention comprises: a hemolysis step of hemolyzing a blood sample with a hemolysate; a reaction step of reacting the hemolyzed blood sample with bead conjugates in which beads are conjugated with glycated hemoglobin binding materials; a first measuring step of measuring the amount of total hemoglobin in blood; an isolation step of isolating normal hemoglobin from the glycated hemoglobin conjugated with the bead conjugates; a second measuring step of measuring the amount of glycated hemoglobin in blood; and a calculation step of calculating the concentration of glycated hemoglobin in the blood sample based on the measured amounts of total hemoglobin and glycated hemoglobin in the blood sample. The method for measuring the glycated hemoglobin of the present invention is able to simplify measuring steps by measuring the total amount of hemoglobin in blood from a blood sample that contains normal hemoglobin and glycated hemoglobin conjugated with bead conjugates in which beads and glycated hemoglobin are conjugated. In addition, the present invention enables easier measurement of the concentration of glycated hemoglobin in the blood sample since a separate dye for signal amplification is not needed.
摘要:
Disclosed herein are an apparatus and method for measuring biomedical data and a measurement strip. The apparatus includes a plurality of detection units arranged within a strip reception area on a plane and spaced apart from each other, a measurement type determination unit for determining whether reactive portions are present in areas of the measurement strip corresponding to the plurality of detection units based on detection results obtained by the detection units and determining a type of measurement based on results of the determination, a biomedical data measurement unit for activating part or all of the detection units according to the type of measurement determined by the measurement type determination unit, and measuring the biomedical data using the activated detection units, and an output unit for outputting the measured biomedical data to an outside.
摘要:
The present invention relates to a method for amplifying a signal in an immunochro- matographic assay for high- sensitivity detection of an analyte and an immunochromatographic kit using the method, which amplifies a signal by controlling a flow rate by discrimination between the size of a first indicator and the size of a second indicator. According to an aspect of the present invention, a method for amplifying a signal in an im¬ munochromatographic assay includes: binding a primary conjugate body, which has a first antibody binding specifically to a first epitope of an analyte, a connector, and a first indicator to which the first antibody and the connector are bound, to the analyte; binding the analyte bound to the primary conjugate body to an immobilized second antibody binding specifically to a second epitope of the analyte; and binding a secondary conjugate body, which has a third antibody binding specifically to the connector of the primary conjugate body and a second indicator to which the third antibody is bound, to the connector of the primary conjugate body, wherein the primary conjugate body is disposed nearer to the immobilized second antibody than the secondary conjugate body, and the particle of the second indicator is larger than the particle of the first indicator, so that the secondary conjugate body reaches the immobilized second antibody later than the primary conjugate body. According to another aspect of the present invention, an immunochromatographic kit includes: a sample pad to which a liquid sample containing an analyte is applied; a conjugate pad including a primary conjugate body having a first antibody binding specifically to a first epitope of an analyte, a connector, and a first indicator to which the first antibody and the connector are bound, and a secondary conjugate body having a third antibody binding specifically to the connector of the primary conjugate body and a second indicator to which the third antibody is bound, wherein the primary conjugate body is disposed nearer to an immobilized second antibody than the secondary conjugate body and the second indicator is larger than the first indicator so that the secondary conjugate body reaches the immobilized second antibody later than the primary conjugate body; a membrane including a detection site immobilizing thereto the second antibody binding specifically to a second epitope of the analyte to which the primary conjugate body is bound, and a control site for error detection; and an absorbing pad absorbing the liquid sample by a capillary phenomenon. Thus, the present invention can perform signal amplification without separate mechanical control or artificial step-by-step reaction.
摘要:
Disclosed herein is a biosensor. The biosensor includes a measuring layer configured to measure whether reaction to a biological sample has occurred. A lower cover is disposed below the measuring layer, and is provided with a lower protrusion which protrudes between an open window configured to allow a measurement area of the measuring layer to be exposed and an upper protrusion of an upper cover so that the lower protrusion is spaced apart from the upper protrusion by a predetermined gap and which presses the measuring layer so that a top of the measuring layer upwardly protrudes from the open window. The upper cover is disposed on a top of the measuring layer, and is provided with the open window and the upper protrusion configured to protrude from an outer portion of the open window in a direction in which the upper protrusion is coupled to the lower cover. Accordingly, the biosensor can minimize the difference in the amount of blood serum reaching a final reaction layer while minimizing the amount of biological sample required for measurement.
摘要:
Disclosed is a test strip for measuring biomedical data, in which a hydrophilic material is introduced to improve the spreadability of blood. Having the structure comprising a blood-filtering layer designed to filter off either or both of erythrocytes and low-density lipoprotein (LDL) cholesterol from an applied blood sample; a reaction layer in which the blood sample free of erythrocytes and/or low-density lipoprotein (LDL) cholesterol is reacted with an reagent, and a hydrophilic layer, intercalated between the blood-filtering layer and the reaction layer, for uniformly spreading the blood sample filtered through the filtering layer, the blood-filtering layer and the reaction layer being stacked between the lower support and the upper cover, the test strip prevents the infiltration of erythrocytes into the reaction layer and improves the spreadability of blood to reduce measurement errors, thus bringing about higher reproducibility.
摘要:
Disclosed are a test strip and a method for measuring biomedical data. The test strip comprises an upper cover having one or more application holes; a lower support having one or more detected parts at positions corresponding to detecting units of the measuring apparatus; an erythrocyte and LDL cholesterol-filtering layer designed to filter off both of erythrocytes and LDL cholesterol from an applied blood sample by agglutinating erythrocytes and precipitating LDL cholesterol; and a reaction layer in which the blood sample free of erythrocytes and LDL cholesterol is reacted with an reagent, the filtering layer and the reaction layer being stacked between the lower support and the upper cover. Structured to filter off erythrocytes and low-density lipoprotein (LDL) cholesterol from a blood sample in a single layer, the test strip of the present invention can be made to be slim and allows a low volume of blood to be analyzed.